<template>
  <div>
    <div style="border: 1px solid #ccc; margin-top: 10px">
      <Toolbar :editor="editorRef" :defaultConfig="toolbarConfig" :mode="mode" style="border-bottom: 1px solid #ccc" />
      <Editor
        :defaultConfig="editorConfig"
        :mode="mode"
        :style="`height: ${height}px; overflow-y: hidden;`"
        v-model="valueHtml"
        @onCreated="handleCreated"
        @onChange="handleChange"
        @onDestroyed="handleDestroyed"
        @onFocus="handleFocus"
        @onBlur="handleBlur"
        @customAlert="customAlert"
        @customPaste="customPaste"
      />
    </div>
  </div>
</template>

<script setup>
import '@wangeditor/editor/dist/css/style.css'
import { onBeforeUnmount, ref, shallowRef, onMounted } from 'vue'
import { Editor, Toolbar } from '@wangeditor/editor-for-vue'

const props = defineProps({
  valueHtml: String,
  height: {
    type: String,
    default: '400'
  }
})
const emit = defineEmits(['update:valueHtml', 'change'])

const mode = 'simple'

// 编辑器实例，必须用 shallowRef，重要！
const editorRef = shallowRef()
// 内容 HTML
// const valueHtml = ref('')
// 模拟 ajax 异步获取内容
onMounted(() => {})
const toolbarConfig = {}
const editorConfig = { placeholder: '请输入内容...' }
// 组件销毁时，也及时销毁编辑器，重要！
onBeforeUnmount(() => {
  const editor = editorRef.value
  if (editor == null) return
  editor.destroy()
})
// 编辑器回调函数
const handleCreated = editor => {
  console.log('created', editor)
  editorRef.value = editor // 记录 editor 实例，重要！
}
const handleChange = editor => {
  emit('update:valueHtml', editor.getHtml())
  console.log('change', props.valueHtml)
}
const handleDestroyed = editor => {
  console.log('destroyed', editor)
}
const handleFocus = editor => {
  console.log('focus', editor)
}
const handleBlur = editor => {
  console.log('blur', editor)
}
const customAlert = (info, type) => {
  alert(`【自定义提示】${type} - ${info}`)
}
const customPaste = (editor, event, callback) => {
  console.log('ClipboardEvent 粘贴事件对象', event)
  // 自定义插入内容
  // editor.insertText('xxx')
  // 返回值（注意，vue 事件的返回值，不能用 return）
  // callback(false) // 返回 false ，阻止默认粘贴行为
  callback(true) // 返回 true ，继续默认的粘贴行为
}
const insertText = () => {
  const editor = editorRef.value
  if (editor == null) return
  editor.insertText('hello world')
}
const printHtml = () => {
  const editor = editorRef.value
  if (editor == null) return
  console.log(editor.getHtml())
}
const disable = () => {
  const editor = editorRef.value
  if (editor == null) return
  editor.disable()
}
</script>
